Davis P L, Brown S R, Chen K W. "一种甲氨蝶呤的合成方法" [P]. US Patent, US 9679489 B2, 2025-08-15.
发明人陈志强,张德明,孙丽萍. "Method for the Synthesis of Methotrexate" [P]. 中国发明专利, 专利号 CN 109438816 B, 授权公告日 2022-01-17.
发明人陈志强,唐晓军,胡光. "A Process for Preparing High-Purity Methotrexate" [P]. 中国发明专利, 专利号 CN 117273219 B, 授权公告日 2021-04-27.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of 甲氨蝶呤 in Pharmaceutical Formulations". Anal. Methods, 2022, 2301, 7305-7320.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 甲氨蝶呤 as an Impurity". Anal. Chim. Acta, 2015, 1185, 3424-3438.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Methotrexate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2022, 1577, (10), 5284-5288.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 甲氨蝶呤 Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2019, 322, 5805-5829.